Jeff can build 7 birdhouses in 5 hours. Use a proportion to find out how long it would take
him to build 30 birdhouses. (Round answer to
nearest whole number)

Solve for x where 0 equation: cot^2x+2cotx+1=0

The distribution of a sample of the outside diameters of pvc pipes approximates a symmetrical, bell-shaped distribution. the arithmetic mean is 14.0 inches, and the standard deviation is 0.1 inches. about 68% of the outside diameters lie between what two amounts?

Harold moves no more than 43 of his sheep and goats into another field fewer then 22 of his animals are goats